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resolution and fields, mixed input output

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beth warshafsky
resolution and fields, mixed input output
on Sep 17, 2010 at 1:45:43 pm

I am working on a video which will be projected on a very large screen.
The projector has hi-res capabilities.
Some of the source material is from an HDV camera progressive.
Some if from an HDV camera in fields. (HDV IS UPPER FIRST, yes?)

However, I am taking this source as layers and really "painting" in After Effects.
The video is more about textures.

I work on a medium production set-up (IMAC I7) and have decided these are my compromise specs:
16 by 9 D1 square pixel format (872 x 486).
My thinking is the piece will play off
a computer (this is being shown in Antwerp and I don't want to deal with Pal DVD
although I could burn a disk or disk image for the computer).

For the video playing off the monitor, I think that compressing the final to AIC in order to play smoothly on the mac will give me good quality, and better quality than a DVD.
I hope it can also play a 12 minute video (no sound) smoothly.
If anyone has other suggestions... I am all ears.

My questions:
1. What is the best way to deinterlace the HDV footage?
2. Do you think the quality of an AIC quicktime is better than a DVD?
3. Any suggestions on my specs considering this is heavily layered.
At times I work in 16 bit and use blurs etc. but plan on outputting
an 8 bit file.
4. Blue-ray is better quality than traditional DVD and the projector has hi-rez capabilities.
So if I do a back-up DVD version, will there be any issues with my working specs
that I should be aware of.

Thanks.

Beth Warshafsky

PS If you want to see an example of this kind of work, http://www.bskynyc.com
The middle and right square on the splash page are for a different piece using footage from the internet. This was how I started developing these specs. The square on the left in a tidbit of material
which will may be in the final.


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Walter Soyka
Re: resolution and fields, mixed input output
on Sep 17, 2010 at 2:54:45 pm

[beth warshafsky] "I am working on a video which will be projected on a very large screen.
The projector has hi-res capabilities."


The playback device will dictate format and resolution. Decide this first before you set up your project.


[beth warshafsky] "1. What is the best way to deinterlace the HDV footage?"

FieldsKit from RE:vision Effects has a great deinterlacer.


[beth warshafsky] " Do you think the quality of an AIC quicktime is better than a DVD?"

Yes, but I don't love AIC. If you're committed to computer playback, I'd use ProRes or a high bitrate h264.


[beth warshafsky] "3. Any suggestions on my specs considering this is heavily layered. At times I work in 16 bit and use blurs etc. but plan on outputting an 8 bit file."

Makes sense. You haven't mentioned your version of AE or amount of RAM, but I'd definitely recommend getting as much RAM as your iMac allows.


[beth warshafsky] "4. Blue-ray is better quality than traditional DVD and the projector has hi-rez capabilities. So if I do a back-up DVD version, will there be any issues with my working specs
that I should be aware of. "


If you're going to do Blu-ray, you should work in HD instead of SD.

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
Creative Cow Forum Host: Live & Stage Events


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beth warshafsky
Re: resolution and fields, mixed input output
on Sep 17, 2010 at 3:01:43 pm

Thanks for your input.
Do you think that ProRes can play back on a computer without problems?
Since I was planning on that I chose the smaller version 16 by 9.

Beth


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Walter Soyka
Re: resolution and fields, mixed input output
on Sep 17, 2010 at 4:37:35 pm

[beth warshafsky] "Do you think that ProRes can play back on a computer without problems?"

ProRes will play more easily than AIC will.

A big part of my business is live events and video playback, and there are a few things I always recommend for computer playback:
  • Configure your computer carefully for playback: turn off unnecessary background tasks and virus scanners, disable wireless, disable screen savers, disable power management, etc.
  • Make sure you have all the appropriate hardware drivers and up-to-date codecs.
  • Make sure you have any necessary DisplayPort, DVI, or VGA adapters, as well as any necessary audio adapters, and make sure you discuss how you will connect your system with the event's engineers or AV staff.
  • Know how to connect your system to a second monitor.
  • Use two systems with a switcher -- one live to screen, and one hot backup. If your live system fails, switch over to the hot backup.
  • Test your media on the playback equipment well before the show in case there are any video, hardware, software, or configuration issues.
  • Consider using of specialized video playback software.


Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
Creative Cow Forum Host: Live & Stage Events


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